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De La Salle College Online - INSPIRING THE IMAGINATION AND SEEKING NEW HEIGHTS
9SCI WAVES AND ENERGY
Waves and Energy is part of the Physical World (Physics)
NZ Curriculum Level 5 in Science


 

WHAT YOU NEED TO KNOW

KEY WORDS

ENERGY
Define "energy"
Name the common forms of energy
Define energy efficiency and calculate the efficiency of an appliance
Describe the "Law of Conservation of Energy"

WAVES AND SOUND
Define a "wave" and describe two common wave forms
Identify the amplitude, frequency and wavelength of waves
Define and describe sound waves in terms of pitch and loudness
Describe the basic functioning of the human ear

LIGHT WAVES AND THE HUMAN EYE
Describe some properties of light and give examples of light sources
Draw ray diagrams and use them to explain shadows
Observe reflection and use the Laws of reflection to explain observations
Measure and record angles
Identify and make predictions from patterns in data
Describe various uses of reflective surfaces
Observe the effect of convex and concave mirrors on rays of light
Observe refraction and explain your observations
Investigate refraction in lenses of various shapes
Investigate the appearance of coloured objects
Describe the basic function and structure of the human eye
 
Energy
Energy efficiency
Waves
Amplitude
Frequency
Wavelength
Sound
Light
Normal
Reflection
Refraction
Incidence
Concave
Convex
Mirror
ROY G BIV

RESOURCES

ENERGY
WAVES AND SOUND
LIGHT WAVES AND THE HUMAN EYE